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Finding the Fourth Proportional to 18,498.32, 27,719.98 and 11,094.11

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Solution

The fourth proportional to 18,498.32, 27,719.98 and 11,094.11 is: 16,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.32 : 27,719.98 = 11,094.11 : x
  2. Step 2: Convert to fraction form
    18,498.32/27,719.98 = 11,094.11/x
  3. Step 3: Cross multiply
    18,498.32x = 27,719.98 × 11,094.11
  4. Step 4: Simplify right side
    18,498.32x = 307,528,507.32
  5. Step 5: Solve for x
    x = 307,528,507.32/18,498.32
  6. Step 6: Final answer
    x = 16,624.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.